单项选择题

If the drowning boy has no pulse, _______

A．pressing his chin upwards is enough to get him breathing
B．blowing air into his mouth is sure to save his life
C．pressing his nostrils together with your fingers can work
D．pressing is the last chance of saving his life

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热门试题

单项选择题

Once you get a drowning man out of the water, if he isn' t breathing, you must first________.

A．get him breathing again
B．take him to the nearest hospital as soon as possible
C．find someone to help you
D．call the First Aid Center

单项选择题

Which of the following statements is true

A．If a man does not breathe for minutes, his brain will be completely destroyed.
B．If you see someone drowning, you must give him mouth-to-mouth breathing.
C．Don' t stop pressing his chest, if the drowning man starts breathing again.
D．When pressing, you can do it as hard as you can.